Shiri da halaye na polyurethane mai tsauri mai tsauri mai tsauri na kayan aiki na kayan aiki da kayan aiki.
A hannu a cikin ciki na motar muhimmin bangare ne na kujerun, wanda ya taka rawar da turawa da kuma sanya hannu na mutum a cikin motar. A cikin taron na gaggawa, lokacin da motar da hanji ta hannu mai laushi, polypoylene) da kuma sauran kayan adon filastik, zai iya samar da kyakkyawan pp (butfferne) da kuma stydene) da kuma sanya shi mai kyau pp (butfulder, haka kuma rage rauni. Hanyoyi masu laushi masu laushi na polyurehaney mai laushi zasu iya samar da kyakkyawan hannu da kyakkyawan yanayin rubutu, don haka inganta ta'aziyya da kyau na koko. Saboda haka, tare da ci gaban masana'antar kera motoci da haɓaka buƙatun mutane don kayan ciki, fa'idar polyurethane mai taushi a cikin kayan aikin mota suna zama mafi munin abubuwa.
Akwai nau'ikan hannayen hannu guda uku: babban res billa, kumfa da semi-riguna. An rufe saman kayan aikin ci gaba na pvc (polyvinyl chloride) fata, kuma ciki shine babban rassa na polyurthane kumfa. Taimako na kumfa yana da rauni sosai, ƙarfin ya yi ƙasa, da kuma tasirin da ke tsakanin kumfa kuma fata ba shi da isarwa. Hannun Jarida da kansa yana da kumfa na fata na fata, ƙarancin farashi, digiri mai ƙarfi, kuma yana da wuya a yi la'akari da ƙarfin farfajiya da cikakkiyar ta'aziyya. An rufe Semi-Rabura da Fata na PVC, fatar fata tana ba da kyau da kuma bayyanar da ke haifar da jijiyoyin ciki, don haka ya zama da yawa da yawa a cikin amfani da motar fasinja.
A cikin wannan takarda, tsarin asali na polyurethane Semi-ridasar kaya na polyurethane don kayan aikin motoci don kayan aikin mota an tsara shi, kuma ana yin taƙama a kan wannan asalin.
Sashi na gwaji
Babban kayan masarufi
Polyeth Darajar 30 ~ 40 mg / g), molyl darajar 25 ~ 30 MG / g): Wann 30 MG / G: LITTAFIN MATA. Gyara MDI [Doke DIISOCYANATE, W (NCO) shine 25% ~ 30%], Cikakken Katako, mai guba Wetting wrupersant (wakili 1), watsawa watsawa (wakili 2): byke sunadarai. Kayan kayan da ke sama sune matakin masana'antu. Fata na PVC: Changshu Ruihua.
Babban kayan aiki da kayan aiki
SDF-400 Nau'in Haske mai sauri, Ar3202cn nau'in daidaiton lantarki, 10cm × machinewararrun na'urori na duniya na duniya, 501Akyen Super Thermostat.
Shiri na asali dabara da samfurin
Ainihin samar da tsinkaye na Semi-rid polyurethane kumfa an nuna a Table 1.
Shiri na kayan gwajin kayan aikin na inji: polosite polyether (kayan abu) an shirya shi bisa ga na'urar da aka gyara don coam, kuma ya buɗe murfin a cikin wani lokaci don samun madaidaicin yanayin polyurethane kumfa samfurin.
Shiri na samfurin don shaidar wasan kwaikwayon: an sanya wani fata na PVC a cikin ƙananan fata, kuma an rufe kumfa, kuma an rufe kumfa, kuma an rufe kumfa, kuma an rufe kumfa, kuma an rufe kumfa, kuma fatar polyurthanes tare da fata yana da alaƙa a cikin wani lokaci.
Gwajin aikin
Kayan aikin injin: 40% CLD (Hardness) bisa ga daidaitaccen gwajin Iso-3386; An gwada karfin da aka gwada da elongation a hutu a bisa ga asalin ISO-1798; An gwada karfin hawaye bisa ga daidaitaccen iso-8067. An yi amfani da na'urar haɗin kai: Motoci na Univronal na Univleal na Universal na Univleal na Univle na lantarki don b sel da fata da kumfa 180 ° bisa ga daidaitaccen wani oem.
Ationta tsufa: gwada asarar kayan aikin injin da kuma kayan haɗin gwiwar bayan sa'o'i 24 na tsufa a 120 ℃ bisa ga daidaitaccen zazzabi na oem.
Sakamakon da tattaunawa
Dukiyar inji
Ta canza rabo daga Polyether Polyol A da Polymmer polyol B a cikin tsarin asali, da tasirin polyether daban-daban na polyurether a kan kayan yau da kullun na Semi-rid polyurethane kumfa na Semi-tsauraran Polyurethane Foam na Semi-tsayayyen polyurethane, kamar yadda aka nuna a Tebur 2.
Ana iya gani daga sakamakon a Table 2 Wannan rabo na Polyeth Polyol a ga polyol B yana da tasiri mai mahimmanci a kan kayan aikin polyurthane kumfa. Lokacin da rabo daga Polyether polyol a ga polyma polyol a kara, da kuma mawuyacin hali yana ƙaruwa, da mawuyacin hali yana ƙaruwa zuwa wani, da kuma ƙarfin tsayin daka da tsayayyen ƙarfi kaɗan. Sarkar kwayar cuta ta polyurethane akafi yakan ƙunshi ɓangaren laushi da sashi mai laushi, sashi mai laushi daga polyol da wuya daga haɗin carbamate. A gefe guda, nauyin ƙwayoyin ƙwayar cuta da ƙimar polyols biyu daban ne, yayin da polymer polyol b ya ƙunshi ƙananan abubuwan ƙwayoyin cuta, wanda ke ƙaruwa da ƙarfin kumfa. A lokacin da Polyether Polyol a wurare 80 da polymer Polyol B shine sassa 10 sassan, cikakkiyar kayan aikin kayan aikin na kumfa sun fi kyau.
Bonding dukiya
A matsayin samfurin tare da m pring mitra, da hannu za su rage jin daɗin sassan idan bawo palam da fata ake buƙata. A kan tushen binciken da ke sama, an kara da wutsiyar wutsiya daban don gwada kadarorin mashin da kumfa da fata. Ana nuna sakamakon a cikin Table 3.
Ana iya ganin shi daga Table 3 cewa watsawa daban-daban suna da tasiri a bayyane akan foam da fata: wanda zai iya haifar da buɗewa na buɗe kumfa bayan ƙari 2; Bayan amfani da ƙari 1 da 3, ƙarfafar ƙarfin blank yana karuwa, da ƙarfin ƙarfin ƙari 3 kusan 25% sama da na samfurin blank. Bambanci tsakanin ƙari 1 da ƙari 3 galibi ana haifar da bambanci ne ta banbanci a cikin nauyin kayan haɗi a farfajiya. Gabaɗaya, don kimanta nauyin ruwa a kan m, kusurwar lambobin sadarwa muhimmin sigogi ne don auna farfajiya. Sabili da haka, faɗuwar lambar tsakanin kayan haɗin da aka haɗa da fata bayan an gwada abubuwan da ke sama biyu na reting wutsiya, kuma aka nuna sakamakon a cikin Hoto na 1.
Ana iya ganin shi daga Hoto na 1 cewa lambar sadarwar samfurin samfurin blank shine mafi girma na wakili na taimako 3 shine mafi ƙanƙanta, wanda shine 12 °. Wannan ya nuna cewa amfani da ƙari 3 na iya inganta rashin ƙarfi na kayan kwatankwacin kayan, don haka ya fi sauƙi a yada ƙari 3 yana da mafi girma ƙarfi.
Dukiyar tsufa
Ana matsawa samfuran kayan aiki a cikin motar, yawan bayyanar hasken rana yana da yawa, kuma tsufa wasan wani muhimmin aiki ne cewa polyurthane Semi-ridrane kumfa kumfa kumfa ya yi. Sabili da haka, aikin tsufa na asalin an gwada shi kuma ana samun binciken haɓaka haɓaka, kuma an nuna sakamakon a Table 4.
Ta hanyar kwatanta bayanan a cikin Table 4, ana iya gano cewa kayan aikin na inji da kuma kayan haɗin gwiwar na yau da kullun ,h, asarar abubuwa daban-daban shine 13% ~ 16%; Ladatar da aikin 24h shine 23% ~ 26%. Ana nuna cewa dukiyar tsufa mai zafi na asali dabara ba ta da kyau, kuma dukiyar zafi irin na asali za a iya inganta ta hanyar ƙara aji na maganin antioxidant a ga dabara. A karkashin irin gwaji iri ɗaya bayan an samu ƙari na antioxidant a, asarar mutane daban-daban bayan 12h ya kasance 7%, da asarar daban-daban kadari bayan 24h ya kasance 13% ~ 16%. Rage kayan aikin injin galibi shine kawai saboda jerin sarkar sarkar da ke haifar da fashewar sinadarai da kuma abubuwan da suka shafi zafin jiki a cikin tsari ko kaddarorin na asali. A gefe guda, ragi a cikin sadarwar aikin ya faru ne saboda raguwa a cikin kayan aikin da kanta, saboda fata ta hau zuwa farfajiya yayin aiwatar da tsufa na ostrygen. Bugu da kari na maganin antioxidants na iya inganta kadarorin tsufa na zafin rana, galibi saboda maganin antiixidants zasu iya kawar da iskar shaka da iskar shaka da yawa na polymer, don kula da asalin kaddarorin polymer.
Cikakken cika
Dangane da sakamakon da ke sama, an tsara tsari mafi kyau kuma an kimanta kaddarorinta daban-daban. Aiwatar da tsarin da aka kwatanta da na gaba daya polyurthane high reagrail kumfa kumfa kumfa kumfa kumwai. Ana nuna sakamakon a cikin Table 5.
Kamar yadda za a iya gani daga Table 5, wasan kwaikwayon na mafi kyawun Semi-tsayayye Polyurethane kumfa yana da wasu fa'idodi akan abubuwan asali da janar, kuma ya fi dacewa, kuma ya fi dacewa da aikace-aikacen manyan ayyukan aikin hannu.
Ƙarshe
Daidaita adadin polyither kuma zaɓi ƙwararrun wawaye mai kyau na polyurethane mai kyau na kayan aikin, kyawawan ƙirar zafi da sauransu. Dangane da kyakkyawan aikin kumfa, wannan babban aikin polyurthane Semi-ridurethane Semi-riduciya ana iya amfani da samfuran kayayyaki masu amfani da kayan aiki kamar su allunan kayan aiki.
Lokaci: Jul-25-2024